# simple calculator

# Return x add y
def add(x, y):
    return x + y

# Return x subtract y
def subtract(x, y):
    return x - y

# Return x multiply y
def multiply(x, y):
    return x * y

# Return x divide y
def divide(x, y):
    return x / y

# Return the square root of x
def my_sqrt(x):
    return x ** (1 / 2)

# Return x raised to the power y
def power(x, y):
    return x ** y

def mod(x, y):
    return x % y

print(add(1, 2))
print(subtract(2, 4))
print(multiply(4, 8))
print(divide(8, 16))
print(my_sqrt(32))
print(power(64, 2))
print(mod(128, 5))
